42075434943 has 24 divisors (see below), whose sum is σ = 64057612320. Its totient is φ = 26572029120.

The previous prime is 42075434867. The next prime is 42075434971. The reversal of 42075434943 is 34943457024.

42075434943 is a `hidden beast` number, since 4 + 20 + 7 + 543 + 49 + 43 = 666.

It is not a de Polignac number, because 42075434943 - 2¹⁰ = 42075433919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42075434993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1507003 + ... + 1534668.

It is an arithmetic number, because the mean of its divisors is an integer number (2669067180).

Almost surely, 2^42075434943 is an apocalyptic number.

42075434943 is a deficient number, since it is larger than the sum of its proper divisors (21982177377).

42075434943 is a wasteful number, since it uses less digits than its factorization.

42075434943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3041759 (or 3041756 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 45.

The spelling of 42075434943 in words is "forty-two billion, seventy-five million, four hundred thirty-four thousand, nine hundred forty-three".